HTW-WF11-FC-KB series BACnet fan coil thermostat is designed to control 4 pipe Fan Coil Unit system, withoutputs of 3 fan speed and 1 cooling valve and 1 heating valve, with remote setback(keycard) input andBACnet communication. It is widely used in these environment like Homes, Residential buildings, Schools,Hotels, Hospitals, Offices and etc. to main an ideal room temperature purpose.